static void Main(string[] args) { int min, max, total = 0; var player = new Player(); var songs = CreateSongs(out min, out max, ref total); player.Songs = songs; Console.WriteLine($"TotalDuration: {total}, max duration: {max}, min duration: {min}"); while (true) { switch (ReadLine()) { case "Up": { player.VolumeUp(); } break; case "Down": { player.VolumeDown(); } break; case "P": { player.Play(); } break; case "step1": { player.VolumeChange1(); } break; case "step2": { player.VolumeChange2(); } break; case "Lock": { player.Lock(); } break; case "Unlock": { player.Unlock(); } break; case "Stop": { player.Stop(); } break; case "Start": { player.Start(); } break; case "CreateDS": { CreateDefaultSong(); } break; } } }